Problem Display
PID: 178124 (1K6/4R3/2k5/8/N7/2PB4/2P5/8 w - - 0 1)

Erlin, Konrad (AKA Erlinger, Konrad)

La Strategie, 1900

1K6/4R3/2k5/8/N7/2PB4/2P5/8

#4

6 + 1


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Keys
    • 1.Sb6!
      • threat
        • 2.Sc8
          • threat
            • 3.Bc4
              • 3...Kc5
                • 4.Rc7#
          • 2...Kc5
            • 3.Re5+
              • 3...Kc6
                • 4.Bb5#
          • 2...Kd5
            • 3.Kb7
              • 3...Kc5
                • 4.Re5#
            • 3.Kc7
              • 3...Kc5
                • 4.Re5#
            • 3.Bb5
              • 3...Kc5
                • 4.Re5#
      • 1...Kc5
        • 2.Sc8
          • threat
            • 3.Re5+
              • 3...Kc6
                • 4.Bb5#
          • 2...Kd5
            • 3.Kb7
              • 3...Kc5
                • 4.Re5#
            • 3.Kc7
              • 3...Kc5
                • 4.Re5#
            • 3.Bb5
              • 3...Kc5
                • 4.Re5#
          • 2...Kc6
            • 3.Bc4
              • 3...Kc5
                • 4.Rc7#
      • 1...Kxb6
        • 2.Rc7
          • 2...Ka5
            • 3.Rc6
              • 3...Ka4
                • 4.Ra6#
            • 3.Rb7
              • 3...Ka4
                • 4.Ra7#
      • 1...Kd6
        • 2.Sc8+
          • 2...Kc5
            • 3.Re5+
              • 3...Kc6
                • 4.Bb5#
          • 2...Kd5
            • 3.Kb7
              • 3...Kc5
                • 4.Re5#
            • 3.Kc7
              • 3...Kc5
                • 4.Re5#
            • 3.Bb5
              • 3...Kc5
                • 4.Re5#
          • 2...Kc6
            • 3.Bc4
              • 3...Kc5
                • 4.Rc7#

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